-느라고

V+느라고 This indicates the reason or aim that led to a negative outcome. It gives an excuse-making feeling.

엄마를 도와주느라고 숙제를 못 했어요.

I couldn't do my homework because I was helping my mom.

영화를 보느라고 전화를 못 받았어요.

I couldn't answer the phone because I was watching a movie.

집안일을 하느라고 약속 시간을 깜빡했어요.

I forgot about my appointment time because I was doing housework.

• '-느라고' can only be attached to actions that the subject performs intentionally.

바쁘느라고 숙제를 못했어요 X

차가 막히느라고 늦었어요 X

• You can omit ‘-고’

엄마를 도와주느라 숙제를 못 했어요.

영화를 보느라 전화를 못 받았어요.

• Tense: always base form

숙제를 했느라고 학교에 늦었어요 X → 하느라고 O

숙제를 하겠느라고 학교에 늦을 거예요 X → 하느라고 O